物理phy~~~~~
2010-04-16 6:31 pm
圖片參考：http://i.imagehost.org/0901/ScreenHunter_12_Apr_16_10_22.gif
http://i.imagehost.org/0901/ScreenHunter_12_Apr_16_10_22.gif
回答 (1)
2010-04-16 7:38 pm
✔ 最佳答案
Bdraw 2 light rays from the tips of the arrow and u will see the answer
if u don't like to draw, remember that image seen should always be erect in a prismatic periscope
收錄日期: 2021-04-23 20:40:21
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100416000051KK00318